Home / 145,653.16-201,020.58-82,003.36

Finding the Fourth Proportional to 145,653.16, 201,020.58 and 82,003.36

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Solution

The fourth proportional to 145,653.16, 201,020.58 and 82,003.36 is: 113,175.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,653.16 : 201,020.58 = 82,003.36 : x
  2. Step 2: Convert to fraction form
    145,653.16/201,020.58 = 82,003.36/x
  3. Step 3: Cross multiply
    145,653.16x = 201,020.58 × 82,003.36
  4. Step 4: Simplify right side
    145,653.16x = 16,484,362,989.15
  5. Step 5: Solve for x
    x = 16,484,362,989.15/145,653.16
  6. Step 6: Final answer
    x = 113,175.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.